3111920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5557}}^1$

素因数の和:5577

約数の個数: 40

約数和(自身を含む): 8270304

約数和(自身を除く): 5158384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5557, 11114, 22228, 27785, 38899, 44456, 55570, 77798, 88912, 111140, 155596, 194495, 222280, 311192, 388990, 444560, 622384, 777980, 1555960, 3111920]

約数ペア:

[(1, 3111920), (2, 1555960), (4, 777980), (5, 622384), (7, 444560), (8, 388990), (10, 311192), (14, 222280), (16, 194495), (20, 155596), (28, 111140), (35, 88912), (40, 77798), (56, 55570), (70, 44456), (80, 38899), (112, 27785), (140, 22228), (280, 11114), (560, 5557)]